boy and an adult walking in a line on an airport tarmac toward a set of stairs leading up to a plane

boy and an adult walking in a line on an airport tarmac toward a set of stairs leading up to a plane. The sky is overcast. There are other people in the line ahead of them, and they are all walking in the same direction toward the stairs. The adult is wearing a black jacket and a baseball cap and has a backpack on. The boy is wearing a blue hooded jacket. The plane is blue and white, and the stairs are white with a clear enclosure. There is a small utility cart parked to the side of the stairs. The ground is wet and marked with white and red lines.